LUNAR ECLIPSE CIRCUMSTANCES - by BYRON W. SOULSBY,  THEODORE, ACT.

 

                   PRIME CONTACT TIMES FOR LUNAR ECLIPSE OF 18770227

 

 

 

            PRIME CONTACT                      TIME (H.MS)      in U.T.

 

            Moon enters penumbra (PC1)         16.3300

            Moon enters umbra (1C)             17.2941

            Total Eclipse begins (2C)          18.2715

            Middle of Eclipse (MID)            19.1541          Magnitude  1.671

            Total Eclipse ends (3C)            20.0407

            Moon leaves umbra (4C)             21.0141

            Moon leaves penumbra (PC2)         21.5822

 

            LUNAR LATITUDES AT PRIME CONTACTS   in D.DD, - S, + N

 

            Latitude at PC1 is                -11.23

            Latitude at 1C is                 -13.35

            Latitude at 2C is                  20.58

            Latitude at 3C is                   6.72

            Latitude at 4C is                   0.76

            Latitude at PC2 is                  2.94

 

             VALUES OF MOON's RA(H.MS) & DEC(D.MS) FOR ECLIPSE OF 18770227

 

             FOR PC1     10.375080,      8.564844,   

             FOR 1C      10.395837,      8.403597,   

             FOR 2C      10.420769,      8.240612,   

             FOR MID     10.435629,      8.101170,   

             FOR 3C      10.454472,      7.561581,   

             FOR 4C      10.475338,      7.394040,   

             FOR PC2     10.495900,      7.231842,   

 

             FOR ECLIPSE OF 18770227

 

             TIME(H.MS), X, Y, F2, SC, C, F1(D.DD) AND LUNAR MOTION(D.DD/MINUTE)

 

   16.3300,  -1.3468,   0.8373,   0.7610,   0.2763,  20.5397,   1.3092,  0.00974

   17.2941,  -0.8589,   0.5807,   0.7608,   0.2762,  20.6060,   1.3092,  0.00974

   18.2715,  -0.3637,   0.3200,   0.7605,   0.2762,  20.6711,   1.3092,  0.00974

   19.1541,   0.0528,   0.1008,   0.7603,   0.2761,  20.7239,   1.3092,  0.00973

   20.0407,   0.4690,  -0.1184,   0.7601,   0.2760,  20.7751,   1.3092,  0.00973

   21.0141,   0.9634,  -0.3790,   0.7598,   0.2760,  20.8337,   1.3092,  0.00972

   21.5822,   1.4498,  -0.6354,   0.7596,   0.2759,  20.8890,   1.3092,  0.00969

 

             CORRECTED VALUES OF PRIMARY CONTACTS FOR ECLIPSE OF 18770227

 

                    VALUE OF OBLATENESS USED WAS  102

 

          ILEE TIME FOR PC1 IS 16.3307,   WHICH IS    7.49   seconds LATER

          ILEE TIME FOR 1C IS  17.2948,   WHICH IS    6.70   seconds LATER

          ILEE TIME FOR 2C IS  18.2718,   WHICH IS    2.69   seconds LATER

          ILEE TIME FOR 3C IS  20.0359,   WHICH IS    6.92   seconds LATER

          ILEE TIME FOR 4C IS  21.0132,   WHICH IS    8.60   seconds EARLIER

          ILEE TIME FOR PC2 IS 21.5813,   WHICH IS    8.75   seconds EARLIER

 

COMPUTED AT 14:58:09 ON 01-08-2007